package manage.operation;

import manage.book.Book;
import manage.book.BookList;

public class Exit implements IO{

    public void work(BookList bookList){
        System.out.println("退出系统");

        int currentSize = bookList.getUsedSize();

        for (int i = 0; i < currentSize; i++) {
            bookList.setBooks(i, null);
        }
        bookList.setUsedSize(0);

        System.exit(0);//关闭系统
    }
}
